Perhaps you should try some spelling variations:
tinh dai » trinh dai, tinh hai, tinh doi
cham tuc » nham thuc, pham thuc, tham thuc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach ty, sach kem
tinh da » tinh va, tinh gia, tinh lao
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach ky) OR (sach y)) nang xa hoi. hieu ve cham tuc va ((tinh dai) or (tinh da)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach ky) OR (sach y)) nang xa hoi. hieu ve cham tuc va ((tinh dai) OR (tinh da)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach ky) OR (sach y)) nang xa hoi. hieu ve cham tuc va ((tinh dai) or (tinh da)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: thuat ((sach ky) OR (sach y)) nang xa hoi. hieu ve cham tuc va ((tinh dai) or (tinh da)) cuu tre*.